Gagnon Securities Highlights Significant Healthcare Buys, Sells in Q2

According to data from Gagnon Securities Llc, significant trading activity occurred in the second quarter of 2026. The firm's portfolio saw a mix of buying and selling positions during this period.

Major Healthcare Purchases This Quarter

Genedx Holdings Corp (WGS) stands out as one of Gagnon Securities' most significant buys, with the firm increasing its stake by 73.14% in Q2.

The investment in Aspen Aerogels Inc (ASPN) also saw substantial growth, rising by approximately 15.68% during the quarter.

Genedx Holdings Corp (WGS), listed on the NYSE, is a company focused on healthcare solutions. Investors can find more details about this stock at this link.

Notable Healthcare Sales This Quarter

The firm also disposed of substantial positions in the healthcare sector, including a significant reduction in shares held in Treace Med Concepts Inc (TMCI). The stake decreased by 41.76%.

OraSure Technologies Inc (OSUR) experienced an approximate 90.35% reduction in its position during the quarter, indicating a major sell-off.

Purchases and Sales Across Other Sectors

In addition to healthcare, Gagnon Securities also purchased shares of Pattern Energy Inc (PTEN). This purchase added about 0.03% to its portfolio allocation for the quarter.

The firm increased its position in several other companies: Cargurus Inc (CARG) by roughly 35.19%, Five9 Inc (FIVN) by approximately 16.18%, and BlackLine Inc (BL) by about 26.77%.

Gagnon Securities' portfolio also saw a decrease in holdings of Ameresco Inc (AMRC). The stake was reduced by approximately the 1.61%, lowering its allocation to around 4.40%.

Overall Portfolio Changes and Insights

The data shows that Gagnon Securities has been actively managing its portfolio, with substantial buying activity in several stocks this quarter.

This dynamic approach is reflected in the fact that over half of their holdings (position_change_count: 72) experienced changes during the period. The firm also holds positions across diverse sectors including Technology, Industrials, Consumer Cyclical, Real Estate, and Energy.

About Gagnon Securities Llc

To learn more about Gagnon Securities' investment profile or to view their complete portfolio holdings for the period ending June 30, 2026, please visit their page on InsiderSet: Gagnon Securities Llc.

The firm's significant buying and selling activities this quarter demonstrate its active investment strategy. For detailed information on specific stock holdings, such as WGS or QDEL, you can explore their respective company profiles at WGS and QDEL.